1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 25 { 26 DWORD dwResult = 0; // Assume failure 27 28 if ( IsBadStringPtr( lpShortPath, MAX_PATH ) ) 29 { 30 SetLastError( ERROR_INVALID_PARAMETER ); 31 return dwResult; 32 } 33 34 // Assume a not existing buffer means a bufsize of zero 35 if ( !lpLongPath ) 36 cchBuffer = 0; 37 38 if ( _tcslen( lpShortPath ) == 2 && lpShortPath[1] == ':' ) 39 { 40 _tcscpy( lpLongPath, lpShortPath ); 41 dwResult = _tcslen( lpLongPath ); 42 } 43 else 44 { 45 HANDLE hFind; 46 WIN32_FIND_DATA aFindFileData; 47 48 if ( lpShortPath[_tcslen(lpShortPath)-1] == '\\' ) 49 { 50 TCHAR szFilePath[MAX_PATH]; 51 52 _tcscpy( szFilePath, lpShortPath ); 53 _tcscat( szFilePath, TEXT("*.*") ); 54 hFind = FindFirstFile( szFilePath, &aFindFileData );; 55 aFindFileData.cFileName[0] = 0; 56 } 57 else 58 { 59 hFind = FindFirstFile( lpShortPath, &aFindFileData ); 60 if ( !IsValidHandle( hFind ) ) 61 { 62 TCHAR szFilePath[MAX_PATH]; 63 64 _tcscpy( szFilePath, lpShortPath ); 65 _tcscat( szFilePath, TEXT("\\*.*") ); 66 hFind = FindFirstFile( szFilePath, &aFindFileData );; 67 aFindFileData.cFileName[0] = 0; 68 } 69 } 70 71 if ( IsValidHandle( hFind ) ) 72 { 73 FindClose( hFind ); 74 75 LPCTSTR lpLastSlash = _tcsrchr( lpShortPath, '\\' ); 76 77 if ( lpLastSlash ) 78 { 79 int nParentLen = lpLastSlash - lpShortPath; 80 LPTSTR lpParentPath = (LPTSTR)_alloca( (nParentLen + 1) * sizeof(TCHAR) ); 81 82 CopyMemory( lpParentPath, lpShortPath, nParentLen * sizeof(TCHAR) ); 83 lpParentPath[nParentLen] = 0; 84 85 dwResult = GetLongPathName( lpParentPath, lpLongPath, cchBuffer ); 86 87 if ( !dwResult ) 88 _tcscpy( lpLongPath, lpParentPath ); 89 } 90 else 91 { 92 _tcscpy( lpLongPath, lpShortPath ); 93 dwResult = _tcslen( lpLongPath ); 94 } 95 96 if ( dwResult < cchBuffer ) 97 { 98 _tcscat( lpLongPath, TEXT("\\") ); 99 _tcscat( lpLongPath, aFindFileData.cFileName ); 100 dwResult = _tcslen( lpLongPath ); 101 } 102 else 103 dwResult += _tcslen( aFindFileData.cFileName ) + 1; 104 } 105 } 106 107 return dwResult; 108 } 109 110